Chore: upgrade to Angular v21 (#11746)

src-ui/angular.json

@@ -156,16 +156,7 @@
           "builder": "@angular-builders/jest:run",
           "options": {
             "tsConfig": "tsconfig.spec.json",
-            "assets": [
-              "src/favicon.ico",
-              "src/apple-touch-icon.png",
-              "src/assets",
-              "src/manifest.webmanifest"
-            ],
-            "styles": [
-              "src/styles.scss"
-            ],
-            "scripts": []
+            "zoneless": false
           }
         },
         "lint": {